6. Calculate the values of the isosteric heat of adsorption and plot its dependence on the degree of surface coverage according to the data on the adsorption of methane on graphite soot at different temperatures:
A, mol/kg r, Pa
113K 123K 133K 143K
0.0175 37.2 119.7 289.9 684.9
0.015 70.5 211.5 542.6 1243.6
0.03 115.7 356.4 957.6 2307.6
0.05 158.3 532.0 1516.2 3830.4
0.08 283.3 1050.7 3245.2 8551.9
0.10 731.5 2713.2 8645.0 22610.0
0.12 6716.5 16957.5 43225.0 85785.0
Take the capacity of the monolayer equal to 0.12 mol/kg.

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